re PR fortran/42353 ([OOP] Bogus Error: Name 'vtype$...' at (1) is an ambiguous reference ...)

gcc/fortran/
2009-12-28 Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42353
	* symbol.c (gfc_find_derived_vtab): Make vtabs and vtypes private.

gcc/testsuite/
2009-12-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42353
	* gfortran.dg/class_13.f03: New test.

From-SVN: r155494

gcc/fortran/ChangeLog

+2009-12-28 Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/42353
+	* symbol.c (gfc_find_derived_vtab): Make vtabs and vtypes private.
+
 2009-12-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 	    Daniel Kraft  <d@domob.eu>
 

gcc/fortran/symbol.c

@@ -4748,6 +4748,7 @@ gfc_find_derived_vtab (gfc_symbol *derived)
 	  vtab->attr.target = 1;
 	  vtab->attr.save = SAVE_EXPLICIT;
 	  vtab->attr.vtab = 1;
+	  vtab->attr.access = ACCESS_PRIVATE;
 	  vtab->refs++;
 	  gfc_set_sym_referenced (vtab);
 	  sprintf (name, "vtype$%s", derived->name);
@@ -4764,6 +4765,7 @@ gfc_find_derived_vtab (gfc_symbol *derived)
 		return NULL;
 	      vtype->refs++;
 	      gfc_set_sym_referenced (vtype);
+	      vtype->attr.access = ACCESS_PRIVATE;
 
 	      /* Add component '$hash'.  */
 	      if (gfc_add_component (vtype, "$hash", &c) == FAILURE)

gcc/testsuite/ChangeLog

+2009-12-28  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/42353
+	* gfortran.dg/class_13.f03: New test.
+
 2009-12-28  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR middle-end/41344

gcc/testsuite/gfortran.dg/class_13.f03

+! { dg-do compile }
+!
+! PR 42353: [OOP] Bogus Error: Name 'vtype$...' at (1) is an ambiguous reference ...
+!
+! Original test case by Harald Anlauf <anlauf@gmx.de>
+! Modified by Janus Weil <janus@gcc.gnu.org>
+
+module concrete_vector
+  type :: trivial_vector_type
+  end type
+  class(trivial_vector_type), pointer :: this
+end module concrete_vector
+
+module concrete_gradient
+contains
+  subroutine my_to_vector (v)
+    use concrete_vector
+    class(trivial_vector_type) :: v
+    select type (v)
+    class is (trivial_vector_type)
+    end select
+  end subroutine
+end module concrete_gradient
+
+module concrete_inner_product
+  use concrete_vector
+  use concrete_gradient
+contains
+  real function my_dot_v_v (a)
+    class(trivial_vector_type) :: a
+    select type (a)
+    class is (trivial_vector_type)
+    end select
+  end function
+end module concrete_inner_product
+ 
+! { dg-final { cleanup-modules "concrete_vector concrete_gradient concrete_inner_product" } }